KURALON™ for concrete and mortar reinforcement
Benefits
Crack control
Bending reinforcement
Chipping prevention
Impact resistance
Durability against dynamic load
Durability against freeze-thaw cycle
Abrasion & erosion resistance
Application by combinations of fiber grade and dosage
Mortar and concrete can extend product lifespan by mixing with KURALON™.
Crack control
KURALON™ bridge and keep cracks of concrete and mortar very small due to high strength, high modulus, and good affinity with cement.
Mix design (kg/㎥）
| W/C (%) | S/C (W/W) | cement | Water | Sand | Fibers (0.3vol%) | |
|---|---|---|---|---|---|---|
| 55 | 4.0 | 420 | 231 | 1680 | ー | Plain |
| 3.9 | KURALON™ RSC15×8 | |||||
| 2.73 | Polypropylene fiber | |||||
Bending reinforcement
KURALON™ for reinforced concrete shows better bending strength, especially in the very early post crack period.
Comparison of bending strength
Mix design（kg/m）
| W/C(%) | S/a(%) | Cement | Water | Gravel | Sand | Chemical admixture1 | Chemical admixture2 | Chemical admixture3 | Fiber |
|---|---|---|---|---|---|---|---|---|---|
| 47 | 55.3 | 383 | 180 | 750 | 904 | 4.98 | 0.0306 | ー | Below |
Fiber materials
| Index | Diameter (mm) | FIber Length (mm) | Density (g/㎤) | Tensile strength (MPa) | Young's modulus (GPa) | Dosage (Vol%) | |||
| RF4000 | PVA1 | 0.66 | 30 | 1.3 | 880 | 29 | 0.5,1.0,1.5, 2.0,3.0 | ||
| Polypropylene fiber | PP | 0.5×1.0 | 30 | 0.91 | 530 | 10.5 | |||
Reference
Experimental study on basic properties of fiber reinforced cement-based composite materials
Proceedings of the Japan Concrete Institute (In Japanese),
Vol.28, No.1, pp.389-394, 2006
Standard properties
| Grade | Fineness (dtex) | Diameter (μm) | Fiber Length (mm) | Tensile strength (MPa) | Young's modulus (GPa) | Elongation (%) | Bundle |
|---|---|---|---|---|---|---|---|
| RMS702 | 7.0 | 27 | 6.0 | 1790 | 45 | 5.8 | 〇 |
| RSC15 | 15.0 | 38 | 8.0 | 1430 | 36 | 6.5 | 〇 |
| RECD15 | 15.0 | 38 | 8.0 | 1560 | 41 | 6.5 | 〇 |
| RECS100L | 100 | 100 | 12.0 | 1230 | 28 | 12.5 | 〇 |
| RF400 | 400 | 200 | 6.0 | 1100 | 27 | 9.0 | |
| RF400H | 400 | 200 | 12.0 | 1400 | 33 | 7.3 | |
| RFD400H | 400 | 200 | 18.0 | 1400 | 33 | 7.3 | 〇 |
| RF4000 | 4444 | 660 | 30.0 | 850 | 23 | 9.0 |
※These figures are not guaranteed values.
※Fiber diameter is the converted circle diameter calculated from the fineness.
Applications
・Floor slabs
・Formwork
・Bridge railings
・Bridge deck slabs
・Repair premi
・ECC premix
Slope stabilization
Chipping prevention
Exterior wall
Floor slabs
Pedestrian deck slab
Bearing plate
